Description: Metacademy is an online platform that helps users to learn concepts across different fields like computer science, physics, and mathematics. It structures concepts into a graph with prerequisites to show how they build on each other.
Type: software
Description: Oppia is an open-source learning platform that allows users to create interactive online lessons called 'explorations'. It features a visual editor for building engaging content like quizzes, simulations, and feedback.
Type: software
Pricing: Open Source